ALPHA CHEMIKA
Fluorescein 98%

Fluorescein 98%

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Chemical Specifications :-

  • Name Of Item : FLUORESCEIN (M.S)
  • Formula : C20H12O5
  • C. I. No. : 45350
  • M.W. : 332.31
  • Batch No. : F0068
  • Cat. No. : AL2202 00500
  • CAS NO. : 2321-07-5

Technical Specifications :-

Type Of Test

Standard

Observed

 

 

 

Description

An orange-red powder

An orange-red powder

 

 

 

Assay (on dried substance)

Min. 98.0%

98.68%

Loss on drying (105°C)

<1.0%

<1.0%

Solubility (0.1% in 0.1N NaO

Clear yellow solution with

Clear yellow solution with

 

greenish fluorescence

greenish fluorescence

Absorptivity, 1%/1cm, at  max

 

490 nm

2200 - 2500

2409

 

 

 

 

Results : The above product complies with LR grade